>> reporter: san francisco residents sven eberlein and debra baida think it's possible, too. they are avid recyclers and composters, so much so that they produce almost no trash. baida lists what goes into the compost bin. >> we put wrappers from our butter, put any meat or package, that kind of packaged paper food, soiled food wrappings, tissues, q-tips, paper napkins, which we don't have in our home. if those come in, those go there. soiled paper plates, milk cartons. >> i go to travel somewhere, and i'm, you know, i have, like, an apple and "where's the compost?" you know, and i have to throw it in the trash, and it kind of, you know, it just doesn't feel quite right, you know. >> reporter: but not all san franciscans are as enthusiastic as eberlein and baida. those who refuse to sort their garbage can face fines ranging from $100 to $1,000.